X–IG™ – Visual Image Generator

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CATI image generator systems are the ideal choice for the visualization of simulation training systems. For over twelve years, CATI has been providing unparalelled rendering performance through advanced software algorithms and optimizations.

CATI′s X–IG™ image generator is a Commercial Off–the–Shelf (COTS) product for PC–based visual simulations. X–IG™ is specifically designed around industry standard OpenGL™, a high performance graphics Application Programming Interface (API), and OpenFlight, the 3D standard format for the visual simulation industry.

X–IG™ is designed to render real–time Out–the–Window (OTW) and sensor scenes for training and simulation, creating real–world high resolution photorealistic visual and sensor scenes. X–IG™ includes complete physics–based modeling for atmospheric, NVG, DTV, and IR simulations. X–IG™ additionally includes special effects which complement the image generator enhancing scenes.

Features
 

Real–Time Rendering Engine	Sensor Modeling
Renderings of 50,000 fully–textured, shaded and anti–aliased polygons per channel, peak performance of over 100,000 polygons at 60 Hz	Realistic sensor simulation based on LOW–TRAN thermal environment model
Renderings of 30,000 light points in day/night/dusk at 60 Hz	ROC–V modeling
Synchronized multi–channel capability using hardware Genlock solutions	Controllable IR hotspots
Auto–alignment and channel edge blending for continuous multi–window applications without performance penalty	Tunable device specific IR effects: noise, brightness, gain, AC coupling, polarity, auto/ manual gain, and level focus
Database paging and texture compression for uninterrupted training through high resolution geo–specific databases	NVG simulation night imagery viewable with the unaided eye
Full scene anti–aliasing for superior artifact control	Tunable NVG attributes
Anistropic texture filtering increasing texture resolution	LLTV camera model
Shader–based light point simulation increasing realism and preventing overlapping lights from bunching	Atmospheric and Weather Effects
Multiple light sources (ambient light, spotlights, steerable search lights. landing lights, etc.)	Comprehensive weather and atmospheric effects
Dynamic scene management	Multiple lightning and thunderstorm models
FOV based dynamic LOD control	Directional and dynamic snow/rain models
Real–time texture animation	Multiple clouds, fog, and haze layer models
Unlimited levels of occulting	Continuous and static time of day
Integrated Boston Dynamics DI–Guy real–time human simulation	Ephemeris models
Special Effects	Mission Functions
Thirty highly realistic tactical and cultural effects	Tactical terrain server processes up to 80,000 concurrent requests per second
Emissive and reflective surfaces	Surface material code feedback to host for ice, snow, rain, etc.
Multi–layer order independent transparency	50,000 height of terrain calculations per second
Dynamic shadow rendering of scene entities	5,500 collision detection calculations per second
Effect, color, and size characteristics are correlated to associated database material	10,000 laser range calculations per second
GUI based special effects (XFX) composer	Contrast based Image Auto–Tracker (IAT)
SAF	Application Programming Interface
Multiple SAF formats	API portable source available
Fully correlated SAF	After Action Review (AAR) record/replay capability
Standard Interfaces	3D sound
Distributed Interactive Simulation (DIS)	Databases
High–Level Architecture (HLA)	Extensive libraries of world–wide, geo–specific, high resolution databases
Common Image Generator Interface (CIGI)	Rapid placement of database features using the Environmental Modeling Editor (EME) for fast turnaround and reduced cost
	Stenciling of airfields
	Real–time tessellation

Currently in use with various military, civilian, and commercial customers, X–IG™ provides high fidelity visualization for flight simulators and a variety of other training systems. Advanced data compression, optimization, and paging algorithms allow X–IG™ to render high density, geo–specific databases of unlimited coverage.

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